CVE-2020-7069
Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV
6.5
MEDIUM
CVSS 3.1
EPSS 8.4%
Description
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.
How to fix CVE-2020-7069
To remediate CVE-2020-7069, upgrade the affected package to a fixed version below.
- —upgrade to 7.2.34 or later
- —upgrade to 7.2.34 or later
- —upgrade to 7.2.34 or later
- —upgrade to 7.4.11-1 or later
Is CVE-2020-7069 being exploited?
Moderate — EPSS is 8.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- >= 7.2.0, < 7.2.34, >= 7.3.0, < 7.3.23, >= 7.4.0, < 7.4.11
- >= 7.2.0, < 7.2.34, >= 7.3.0, < 7.3.23, >= 7.4.0, < 7.4.11
- >= 7.2.0, < 7.2.34, >= 7.3.0, < 7.3.23, >= 7.4.0, < 7.4.11
- from 0, < 7.4.11-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |